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Merge pull request #75 from lvonasek/OpenXR

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OpenXR menuyaw and recenter support added
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Simon 2022-05-05 16:30:07 +01:00 committed by GitHub
commit 325641f90e
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 96 additions and 67 deletions
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9
android/app/src/main/cpp/code/vr/vr_base.c
View file

@ -294,12 +294,18 @@ void VR_EnterVR( engine_t* engine, ovrJava java ) {
ALOGE("Failed to create XR session: %d.", initResult);
exit(1);
}
// Create a space to the first path
XrReferenceSpaceCreateInfo spaceCreateInfo = {};
spaceCreateInfo.type = XR_TYPE_REFERENCE_SPACE_CREATE_INFO;
spaceCreateInfo.referenceSpaceType = XR_REFERENCE_SPACE_TYPE_VIEW;
spaceCreateInfo.poseInReferenceSpace.orientation.w = 1.0f;
OXR(xrCreateReferenceSpace(engine->appState.Session, &spaceCreateInfo, &engine->appState.HeadSpace));
}
void VR_LeaveVR( engine_t* engine ) {
if (engine->appState.Session) {
OXR(xrDestroySpace(engine->appState.HeadSpace));
OXR(xrDestroySpace(engine->appState.LocalSpace));
// StageSpace is optional.
if (engine->appState.StageSpace != XR_NULL_HANDLE) {
OXR(xrDestroySpace(engine->appState.StageSpace));
@ -307,7 +313,6 @@ void VR_LeaveVR( engine_t* engine ) {
OXR(xrDestroySpace(engine->appState.FakeStageSpace));
engine->appState.CurrentSpace = XR_NULL_HANDLE;
OXR(xrDestroySession(engine->appState.Session));
OXR(xrDestroyInstance(engine->appState.Instance));
engine->appState.Session = NULL;
}
}

2
android/app/src/main/cpp/code/vr/vr_clientinfo.h
View file

@ -63,6 +63,8 @@ typedef struct {
int *menuCursorX;
int *menuCursorY;
qboolean menuLeftHanded;
float recenterYaw;
} vr_clientinfo_t;
#endif //vr_clientinfo_h

103
android/app/src/main/cpp/code/vr/vr_renderer.c
View file

@ -23,6 +23,7 @@ extern vr_clientinfo_t vr;
extern cvar_t *vr_heightAdjust;
XrView* projections;
GLboolean stageSupported = GL_FALSE;
void VR_UpdateStageBounds(ovrApp* pappState) {
XrExtent2Df stageBounds = {};
@ -161,6 +162,54 @@ void VR_GetResolution(engine_t* engine, int *pWidth, int *pHeight)
}
}
void VR_Recenter(engine_t* engine) {
// Calculate recenter reference
XrReferenceSpaceCreateInfo spaceCreateInfo = {};
spaceCreateInfo.type = XR_TYPE_REFERENCE_SPACE_CREATE_INFO;
spaceCreateInfo.poseInReferenceSpace.orientation.w = 1.0f;
if (engine->appState.CurrentSpace != XR_NULL_HANDLE) {
vec3_t rotation = {0, 0, 0};
XrSpaceLocation loc = {};
loc.type = XR_TYPE_SPACE_LOCATION;
OXR(xrLocateSpace(engine->appState.HeadSpace, engine->appState.CurrentSpace, engine->predictedDisplayTime, &loc));
QuatToYawPitchRoll(loc.pose.orientation, rotation, vr.hmdorientation);
vr.recenterYaw += radians(vr.hmdorientation[YAW]);
spaceCreateInfo.poseInReferenceSpace.orientation.x = 0;
spaceCreateInfo.poseInReferenceSpace.orientation.y = sin(vr.recenterYaw / 2);
spaceCreateInfo.poseInReferenceSpace.orientation.z = 0;
spaceCreateInfo.poseInReferenceSpace.orientation.w = cos(vr.recenterYaw / 2);
}
// Delete previous space instances
if (engine->appState.StageSpace != XR_NULL_HANDLE) {
OXR(xrDestroySpace(engine->appState.StageSpace));
}
if (engine->appState.FakeStageSpace != XR_NULL_HANDLE) {
OXR(xrDestroySpace(engine->appState.FakeStageSpace));
}
// Create a default stage space to use if SPACE_TYPE_STAGE is not
// supported, or calls to xrGetReferenceSpaceBoundsRect fail.
spaceCreateInfo.referenceSpaceType = XR_REFERENCE_SPACE_TYPE_LOCAL;
spaceCreateInfo.poseInReferenceSpace.position.y = -1.6750f;
OXR(xrCreateReferenceSpace(engine->appState.Session, &spaceCreateInfo, &engine->appState.FakeStageSpace));
ALOGV("Created fake stage space from local space with offset");
engine->appState.CurrentSpace = engine->appState.FakeStageSpace;
if (stageSupported) {
spaceCreateInfo.referenceSpaceType = XR_REFERENCE_SPACE_TYPE_STAGE;
spaceCreateInfo.poseInReferenceSpace.position.y = 0.0f;
OXR(xrCreateReferenceSpace(engine->appState.Session, &spaceCreateInfo, &engine->appState.StageSpace));
ALOGV("Created stage space");
engine->appState.CurrentSpace = engine->appState.StageSpace;
}
// Update menu orientation
vr.menuYaw = 0;
}
void VR_InitRenderer( engine_t* engine ) {
#if ENABLE_GL_DEBUG
glEnable(GL_DEBUG_OUTPUT);
@ -227,7 +276,6 @@ void VR_InitRenderer( engine_t* engine ) {
OXR(xrEnumerateReferenceSpaces(
engine->appState.Session, numOutputSpaces, &numOutputSpaces, referenceSpaces));
GLboolean stageSupported = GL_FALSE;
for (uint32_t i = 0; i < numOutputSpaces; i++) {
if (referenceSpaces[i] == XR_REFERENCE_SPACE_TYPE_STAGE) {
stageSupported = GL_TRUE;
@ -237,32 +285,8 @@ void VR_InitRenderer( engine_t* engine ) {
free(referenceSpaces);
// Create a space to the first path
XrReferenceSpaceCreateInfo spaceCreateInfo = {};
spaceCreateInfo.type = XR_TYPE_REFERENCE_SPACE_CREATE_INFO;
spaceCreateInfo.referenceSpaceType = XR_REFERENCE_SPACE_TYPE_VIEW;
spaceCreateInfo.poseInReferenceSpace.orientation.w = 1.0f;
OXR(xrCreateReferenceSpace(engine->appState.Session, &spaceCreateInfo, &engine->appState.HeadSpace));
spaceCreateInfo.referenceSpaceType = XR_REFERENCE_SPACE_TYPE_LOCAL;
OXR(xrCreateReferenceSpace(engine->appState.Session, &spaceCreateInfo, &engine->appState.LocalSpace));
// Create a default stage space to use if SPACE_TYPE_STAGE is not
// supported, or calls to xrGetReferenceSpaceBoundsRect fail.
{
spaceCreateInfo.referenceSpaceType = XR_REFERENCE_SPACE_TYPE_LOCAL;
spaceCreateInfo.poseInReferenceSpace.position.y = -1.6750f;
OXR(xrCreateReferenceSpace(engine->appState.Session, &spaceCreateInfo, &engine->appState.FakeStageSpace));
ALOGV("Created fake stage space from local space with offset");
engine->appState.CurrentSpace = engine->appState.FakeStageSpace;
}
if (stageSupported) {
spaceCreateInfo.referenceSpaceType = XR_REFERENCE_SPACE_TYPE_STAGE;
spaceCreateInfo.poseInReferenceSpace.position.y = 0.0f;
OXR(xrCreateReferenceSpace(engine->appState.Session, &spaceCreateInfo, &engine->appState.StageSpace));
ALOGV("Created stage space");
engine->appState.CurrentSpace = engine->appState.StageSpace;
if (engine->appState.CurrentSpace == XR_NULL_HANDLE) {
VR_Recenter(engine);
}
projections = (XrView*)(malloc(ovrMaxNumEyes * sizeof(XrView)));
@ -323,7 +347,9 @@ void VR_DrawFrame( engine_t* engine ) {
}
GLboolean stageBoundsDirty = GL_TRUE;
ovrApp_HandleXrEvents(&engine->appState);
if (ovrApp_HandleXrEvents(&engine->appState)) {
VR_Recenter(engine);
}
if (engine->appState.SessionActive == GL_FALSE) {
return;
}
@ -358,15 +384,6 @@ void VR_DrawFrame( engine_t* engine ) {
beginFrameDesc.next = NULL;
OXR(xrBeginFrame(engine->appState.Session, &beginFrameDesc));
XrSpaceLocation loc = {};
loc.type = XR_TYPE_SPACE_LOCATION;
OXR(xrLocateSpace(
engine->appState.HeadSpace, engine->appState.CurrentSpace, frameState.predictedDisplayTime, &loc));
XrPosef xfStageFromHead = loc.pose;
OXR(xrLocateSpace(
engine->appState.HeadSpace, engine->appState.LocalSpace, frameState.predictedDisplayTime, &loc));
{
// We extract Yaw, Pitch, Roll instead of directly using the orientation
// to allow "additional" yaw manipulation with mouse/controller.
XrSpaceLocation loc = {};
@ -395,7 +412,6 @@ void VR_DrawFrame( engine_t* engine ) {
const float clientview_yaw = vr.clientviewangles[YAW] - vr.hmdorientation[YAW];
vr.clientview_yaw_delta = vr.clientview_yaw_last - clientview_yaw;
vr.clientview_yaw_last = clientview_yaw;
}
XrViewLocateInfo projectionInfo = {};
projectionInfo.type = XR_TYPE_VIEW_LOCATE_INFO;
@ -465,6 +481,7 @@ void VR_DrawFrame( engine_t* engine ) {
XrCompositionLayerProjectionView projection_layer_elements[2] = {};
if (!VR_useScreenLayer() && !(cl.snap.ps.pm_flags & PMF_FOLLOW && vr.follow_mode == VRFM_FIRSTPERSON)) {
vr.menuYaw = vr.hmdorientation[YAW];
for (int eye = 0; eye < ovrMaxNumEyes; eye++) {
ovrFramebuffer* frameBuffer = &engine->appState.Renderer.FrameBuffer;
@ -500,7 +517,7 @@ void VR_DrawFrame( engine_t* engine ) {
XrCompositionLayerCylinderKHR cylinder_layer = {};
cylinder_layer.type = XR_TYPE_COMPOSITION_LAYER_CYLINDER_KHR;
cylinder_layer.layerFlags = XR_COMPOSITION_LAYER_BLEND_TEXTURE_SOURCE_ALPHA_BIT;
cylinder_layer.space = engine->appState.LocalSpace;
cylinder_layer.space = engine->appState.CurrentSpace;
cylinder_layer.eyeVisibility = XR_EYE_VISIBILITY_BOTH;
memset(&cylinder_layer.subImage, 0, sizeof(XrSwapchainSubImage));
cylinder_layer.subImage.swapchain = engine->appState.Renderer.FrameBuffer.ColorSwapChain.Handle;
@ -510,8 +527,12 @@ void VR_DrawFrame( engine_t* engine ) {
cylinder_layer.subImage.imageRect.extent.height = height;
cylinder_layer.subImage.imageArrayIndex = 0;
const XrVector3f axis = {0.0f, 1.0f, 0.0f};
const XrVector3f pos = {xfStageFromHead.position.x, -0.25f, xfStageFromHead.position.z - 4.0f};
cylinder_layer.pose.orientation = XrQuaternionf_CreateFromVectorAngle(axis, 0);
XrVector3f pos = {
xfStageFromHead.position.x - sin(radians(vr.menuYaw)) * 4.0f,
-0.25f,
xfStageFromHead.position.z - cos(radians(vr.menuYaw)) * 4.0f
};
cylinder_layer.pose.orientation = XrQuaternionf_CreateFromVectorAngle(axis, radians(vr.menuYaw));
cylinder_layer.pose.position = pos;
cylinder_layer.radius = 12.0f;
cylinder_layer.centralAngle = MATH_PI * 0.5f;

6
android/app/src/main/cpp/code/vr/vr_types.c
View file

@ -236,7 +236,6 @@ void ovrApp_Clear(ovrApp* app) {
memset(&app->ViewConfigurationView, 0, ovrMaxNumEyes * sizeof(XrViewConfigurationView));
app->SystemId = XR_NULL_SYSTEM_ID;
app->HeadSpace = XR_NULL_HANDLE;
app->LocalSpace = XR_NULL_HANDLE;
app->StageSpace = XR_NULL_HANDLE;
app->FakeStageSpace = XR_NULL_HANDLE;
app->CurrentSpace = XR_NULL_HANDLE;
@ -314,8 +313,9 @@ void ovrApp_HandleSessionStateChanges(ovrApp* app, XrSessionState state) {
}
}
void ovrApp_HandleXrEvents(ovrApp* app) {
GLboolean ovrApp_HandleXrEvents(ovrApp* app) {
XrEventDataBuffer eventDataBuffer = {};
GLboolean recenter = GL_FALSE;
// Poll for events
for (;;) {
@ -368,6 +368,7 @@ void ovrApp_HandleXrEvents(ovrApp* app) {
ref_space_change_event->referenceSpaceType,
(void*)ref_space_change_event->session,
FromXrTime(ref_space_change_event->changeTime));
recenter = GL_TRUE;
} break;
case XR_TYPE_EVENT_DATA_SESSION_STATE_CHANGED: {
const XrEventDataSessionStateChanged* session_state_changed_event =
@ -398,6 +399,7 @@ void ovrApp_HandleXrEvents(ovrApp* app) {
break;
}
}
return recenter;
}
/*

3
android/app/src/main/cpp/code/vr/vr_types.h
View file

@ -79,7 +79,6 @@ typedef struct {
XrViewConfigurationView ViewConfigurationView[ovrMaxNumEyes];
XrSystemId SystemId;
XrSpace HeadSpace;
XrSpace LocalSpace;
XrSpace StageSpace;
XrSpace FakeStageSpace;
XrSpace CurrentSpace;
@ -159,7 +158,7 @@ typedef enum {
void ovrApp_Clear(ovrApp* app);
void ovrApp_Destroy(ovrApp* app);
void ovrApp_HandleXrEvents(ovrApp* app);
GLboolean ovrApp_HandleXrEvents(ovrApp* app);
void ovrFramebuffer_Acquire(ovrFramebuffer* frameBuffer);
void ovrFramebuffer_Resolve(ovrFramebuffer* frameBuffer);